<!DOCTYPE html>
<html lang="zh">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>

<form action="/hello/login" method="get">
    <div>用户名 <input type="text" name="username"></div>
    <div>密码 <input type="text" name="password"></div>
    <div><button type="submit">登录</button></div>
</form>

</body>
</html>